Jump to content

File:Atomic Clock-Louis Essen.jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Atomic_Clock-Louis_Essen.jpg (620 × 360 pixels, file size: 73 KB, MIME type: image/jpeg)

Summary

Description
English: Louis Essen and J. V. L. Parry standing next to the world's first caesium atomic clock, developed at the UK National Physical Laboratory in 1955.
Deutsch: Louis Essen und J. V. L. Parry zeigen die erste Caesium-Atomuhr (1955)
Date
Source http://www.npl.co.uk/upload/img/essen-experiment_1.jpg
Author National Physical Laboratory

Licensing

Public domain
This work created by the United Kingdom Government is in the public domain.

This is because it is one of the following:

  1. It is a photograph taken prior to 1 June 1957; or
  2. It was published prior to 1974; or
  3. It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.

HMSO has declared that the expiry of Crown Copyrights applies worldwide (ref: HMSO Email Reply)
More information.

See also Copyright and Crown copyright artistic works.

Deutsch  English  Español  français  italiano  Nederlands  polski  português  sicilianu  slovenščina  suomi  Türkçe  македонски  русский  українська  മലയാളം  한국어  日本語  简体中文  繁體中文  العربية  +/−

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

image/jpeg

60a0f2c369087d9515da4e8d411e4740cc99a9ba

75,162 byte

360 pixel

620 pixel

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current16:53, 7 November 2016Thumbnail for version as of 16:53, 7 November 2016620 × 360 (73 KB)TholmeHigher quality from http://www.npl.co.uk/upload/img/essen-experiment_1.jpg
17:02, 21 December 2008Thumbnail for version as of 17:02, 21 December 2008274 × 169 (13 KB)Coenen{{Information |Description={{en|1=Louis Essen standing next to the world's first atomic clock (1955)}} |Source=http://www.npl.co.uk/upload/img_400/atomic_clock.jpg |Author=National Physical Laboratory |Date=1955 |Permission= |other_versions= }} == Licensi

Global file usage

The following other wikis use this file:

Metadata